Most of the time when bb.note() gets called we want to see the output,
so ensure the level is set appropriately depending on the command line
options instead of being fixed at warning. (We don't want to see the
notes for fetch/unpack/patch though as they are too verbose).
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>